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Product Image-STMC100-1331

Human Recombinant ASAM, His tag

Catalog Number: (STMC100-1331)
Supplier: STEMCELL Technologies
Description: Adipocyte-specific adhesion molecule (ASAM) may play a role in cell-cell adhesion as it is expressed in epithelial cells of various tissues and is associated with tight junctions (Raschberger <i>et al.</i>, Sze <i>et al.</i>). This type 1 transmembrane protein belongs to the cortical thymocyte marker in the Xenopus (CTX) family within the immunoglobulin superfamily. Sequence alignment analysis has shown that ASAM shares conserved characteristics with other CTX-like proteins, including extracellular V-type and C2-type domains, a transmembrane region, and a cytoplasmic tail (Raschperger <i>et al.</i>). ASAM is also expressed in adipocytes, and was found to be upregulated in white adipose tissue (WAT) in a rodent model of obesity and type II diabetes (Eguchi <i>et al.</i>). This protein contains a His-residue tag at the carboxyl end of the polypeptide chain. For consistency and reproducibility across your applications, adipocyte-specific adhesion molecule from STEMCELL comes lyophilised with ≥94% purity, and is verified by LAL analysis to ensure endotoxin levels are ≤1,0 EU/μg protein.
UOM: 1 * 100 µG

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Product Image-PRSI2127

Anti-MYD88 Rabbit Polyclonal Antibody

Catalog Number: (PRSI2127)
Supplier: ProSci Inc.
Description: MYD88 Antibody: The pro-inflammatory cytokine IL-1 induced cellular response requires IL-1 receptor complex including IL-1RI and IL-1RAcP. Recently, MyD88 was identified as an adapter molecule in the IL-1 signaling pathway. MyD88 associates with and recruits IRAK to the IL-1 receptor complex in response to IL-1 treatment and dominant negative form of MyD88 attenuates IL-1R-mediated NF-kappa B activation. MyD88 is also employed as a regulator molecule by IL-18 receptor and human Toll receptor, which are members in the Toll/IL-1R family of receptors. Targeted disruption of the MyD88 gene results in lose of cellular responses to IL-1 and IL-18, and MyD88-deficient mice lack responses to bacterial product LPS that employs Toll-like receptors 2 and 4 (TLR2 and TLR4) as the signaling receptors. MyD88 is a general adapter protein for the Toll/IL-1R family of receptors and plays an important role in the inflammatory response induced by cytokines IL-1 and IL-18 and endotoxin. MyD88 gene is expressed in many tissues.
UOM: 1 * 100 µG
Product Image-PRSI2125

Anti-MYD88 Rabbit Polyclonal Antibody

Catalog Number: (PRSI2125)
Supplier: ProSci Inc.
Description: MYD88 Antibody: The pro-inflammatory cytokine IL-1 induced cellular response requires IL-1 receptor complex including IL-1RI and IL-1RAcP. Recently, MyD88 was identified as an adapter molecule in the IL-1 signaling pathway. MyD88 associates with and recruits IRAK to the IL-1 receptor complex in response to IL-1 treatment and dominant negative form of MyD88 attenuates IL-1R-mediated NF-kappa B activation. MyD88 is also employed as a regulator molecule by IL-18 receptor and human Toll receptor, which are members in the Toll/IL-1R family of receptors. Targeted disruption of the MyD88 gene results in lose of cellular responses to IL-1 and IL-18, and MyD88-deficient mice lack responses to bacterial product LPS that employs Toll-like receptors 2 and 4 (TLR2 and TLR4) as the signaling receptors. MyD88 is a general adapter protein for the Toll/IL-1R family of receptors and plays an important role in the inflammatory response induced by cytokines IL-1 and IL-18 and endotoxin. MyD88 gene is expressed in many tissues.
UOM: 1 * 100 µG
Product Image-PRSI96-461

Human recombinant Interleukin 1B (from E. coli)

Catalog Number: (PRSI96-461)
Supplier: ProSci Inc.
Description: Interleukin-1 beta (IL-1β) is also known as catabolin, is a cytokine protein that in humans is encoded by the IL1B gene. IL-1β precursor is cleaved by caspase 1 (interleukin 1 beta convertase). Cytosolic thiol protease cleaves the product to form mature IL-1 beta.
IL1β are structurally related polypeptides that share approximately 21% amino acid (aa) identity in human. Both proteins are produced by a wide variety of cells in response to inflammatory agents, infections, or microbial endotoxins. While IL1α and IL1β are regulated independently, they bind to the same receptor and exert identical biological effects.
IL-1β is a member of the interleukin 1 cytokine family. This cytokine is produced by activated macrophages as a proprotein, which is proteolytically processed to its active form by caspase 1 (CASP1/ICE). This cytokine is an important mediator of the inflammatory response, and is involved in a variety of cellular activities, including cell proliferation, differentiation, and apoptosis. The induction of cyclooxygenase-2 (PTGS2/COX2) by this cytokine in the central nervous system (CNS) is found to contribute to inflammatory pain hypersensitivity. This gene and eight other interleukin 1 family genes form a cytokine gene cluster on chromosome 2.
UOM: 1 * 20 µG
Product Image-STMC100-1323

Human Recombinant Fetuin A, His Tag

Catalog Number: (STMC100-1323)
Supplier: STEMCELL Technologies
Description: Mediate calcium phosphate clearance and prevent ectopic calcification with fetuin A, a plasma glycoprotein that forms soluble complexes with calcium and phosphate (Heiss <i>et al.</i>; Price and Lin). Belonging to the cystatin superfamily of cysteine protease inhibitors (Brown and Dziegielewska), fetuin A has also been shown to play a role in lipid transport, acting as a carrier (Kumbla <i>et al.</i>). In cell-based assays, it has been suggested that fetuin A protects against lethal systemic infection through the inhibition of high mobility group box 1 (HMGB1) protein accumulation and release (Li <i>et al.</i>). Fetuin A acts as a natural antagonist against specific TGF-β and BMP signaling proteins, blocking osteogenic differentiation of rat bone marrow cells (Demetriou <i>et al.</i>). This protein contains a His-residue tag at the carboxyl end of the polypeptide chain. For consistency and reproducibility across your applications, fetuin A from STEMCELL comes lyophilised with ≥94% purity, and endotoxin levels are verified to be ≤1.0 EU/μg protein.
UOM: 1 * 100 µG

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Product Image-STMC100-1335

Human Recombinant Visfatin

Catalog Number: (STMC100-1335)
Supplier: STEMCELL Technologies
Description: Use visfatin to catalyse the production of nicotinamide mononucleotide from nicotinamide (Revollo <i>et al.</i>). Nicotinamide mononucleotide is a precursor to nicotinamide adenine dinucleotide (NAD) that is vital to energy metabolism, cell death, and other cellular processes (Ying). Visfatin also acts as an immunomodulator by activating leukocytes and inducing the production of pro-inflammatory and anti-inflammatory cytokines (Moschen <i>et al.</i>), and there is evidence that visfatin can regulate insulin receptor signaling and insulin secretion (Brown <i>et al.</i>). Belonging to the nicotinate phosphoribosyltransferase (NAPRTase) family, Visfatin is an adipokine that is produced in adipocytes, leukocytes, and hepatocytes (Chiu <i>et al.</i>, Garten <i>et al.</i>, Kralisch <i>et al.</i>). It is active as a homodimer with each identical monomer consisting of two structural domains made up of 19 β-strands and 13 α-helices (Kim <i>et al.</i>). For consistency and reproducibility across your applications, visfatin from STEMCELL comes lyophilised with ≥90% purity, and is verified by LAL analysis to ensure endotoxin levels are ≤1,0 EU/μg protein.
UOM: 1 * 100 µG

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Product Image-STMC100-1334

Human Recombinant MIP-4

Catalog Number: (STMC100-1334)
Supplier: STEMCELL Technologies
Description: Macrophage inflammatory protein-4 (MIP-4) plays a role in adaptive and innate immune responses, acting as a chemoattractant for T and B lymphocytes, and natural killer cells (Krohn <i>et al.</i>). MIP-4 can also induce immune tolerance through its effects on dendritic cells and macrophages (Azzaoui <i>et al.</i>, Schraufstatter <i>et al.</i>). In breast cancer, MIP-4 has been shown to promote the invasiveness and metastasis of cancer cells in vivo by binding PITPNM3 (Chen <i>et al.</i>).This small cytokine belongs to the chemokine family found only in primates. Based on amino acid sequence, MIP-4 is closely related to MIP-1 alpha (CCL3) and MIP-1 beta (CCL4) (Liang <i>et al.</i>). MIP-4 is produced by antigen-presenting immune cells including dendritic cells, macrophages, and monocytes (Lieshout <i>et al.</i>). For consistency and reproducibility across your applications, macrophage inflammatory protein-4 from STEMCELL comes lyophilised with ≥95% purity, and is verified by LAL analysis to ensure endotoxin levels are ≤1,0 EU/μg protein.
UOM: 1 * 100 µG

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Product Image-STMC100-1336

Human Recombinant IFN alpha 1, His Tag

Catalog Number: (STMC100-1336)
Supplier: STEMCELL Technologies
Description: Interferon alpha 1 (IFNA1) belongs to the type 1 interferon family of cytokines, which bind interferon alpha receptors (IFNAR; composed of IFNAR1 and IFNAR2 subunits) that are involved in interferon-induced JAK-STAT signaling (Shemesh <i>et al.</i>). Interferons have inhibitory effects on viral replication and pathogenesis, and studies have found that IFN alpha can prevent the spread of herpes simplex virus (HSV) (Mikloska and Cunningham), and human immunodeficiency virus (HIV) (George and Mattapallil). Pegylated forms of IFN alpha are currently approved for the treatment of chronic hepatitis B (Woo <i>et al.</i>). IFN alpha also displays anti-tumor effects by regulating cell growth and proliferation, and it is used in the treatment of different cancers (Tagliaferri <i>et al.</i>). Interferons display alpha-helical structures with four helices forming an antiparallel alpha-helix bundle (Walter). This protein contains a His-residue tag at the carboxyl end of the polypeptide chain. For consistency and reproducibility across your applications, interferon alpha 1 from STEMCELL comes lyophilised with ≥90% purity, specific activity EC50 ≤40 to 200 pg/ml, and LAL analysis verification ensuring endotoxin levels are ≤1,0 EU/μg protein.
UOM: 1 * 100 µG

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Product Image-PRSIPM-4673

Anti-MYD88 Mouse Monoclonal Antibody [clone: 2E9C2 ]

Catalog Number: (PRSIPM-4673)
Supplier: ProSci Inc.
Description: MyD88 Monoclonal Antibody: The pro-inflammatory cytokine IL-1 induced cellular response requires IL-1 receptor complex including IL-1RI and IL-1RAcP. MyD88 has been identified as an adapter molecule in the IL-1 signaling pathway. MyD88 associates with and recruits IRAK to the IL-1 receptor complex in response to IL-1 treatment and dominant negative form of MyD88 attenuates IL-1R-mediated NF-κB activation. MyD88 is also employed as a regulator molecule by IL-18 receptor and human Toll receptor, which are members in the Toll/IL-1R family of receptors. Targeted disruption of the MyD88 gene results in lose of cellular responses to IL-1 and IL-18, and MyD88-deficient mice lack responses to bacterial product LPS that employs Toll-like receptors 2 and 4 (TLR2 and TLR4) as the signaling receptors. MyD88 is a general adapter protein for the Toll/IL-1R family of receptors and plays an important role in the inflammatory response induced by cytokines IL-1 and IL-18 and endotoxin. MyD88 gene is expressed in many tissues.
UOM: 1 * 100 µG
Product Image-STMC100-1296

Human Recombinant Osteopontin, His tag

Catalog Number: (STMC100-1296)
Supplier: STEMCELL Technologies
Description: A member of the SIBLING family of glycoproteins (Rangaswami <i>et al.</i>), Osteopontin (OPN) functions as T-helper 1 cytokine, and plays an important role in cell signaling, migration, and activation (Weber <i>et al.</i>, 2002). Osteopontin has been shown to regulate inflammation both in vitro and <i>in vivo</i> (Agnholt <i>et al.</i>; Kiefer <i>et al.</i>), and has been implicated in the pathophysiology of numerous cancers, including prostate (Thalmann <i>et al.</i>), lung (Chambers <i>et al.</i>), ovarian (Kim <i>et al.</i>), and breast etiologies (Weber <i>et al.</i>, 2015). In humans, OPN is initially secreted as a 317 amino acid protein which is subject to tissue-specific post-translational modifications by glycosylation, phosphorylation, and transglutamination (Kazanecki <i>et al.</i>; Sodek <i>et al.</i>). This protein product contains a His-residue tag at the amino end of the polypeptide chain. For consistency and reproducibility across your applications, Osteopontin from STEMCELL comes lyophilised with ≥92% purity, and endotoxin levels are verified to be ≤1,0 EU/μg protein.
UOM: 1 * 100 µG

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Product Image-STMC100-1299

Human Recombinant Sclerostin, His Tag

Catalog Number: (STMC100-1299)
Supplier: STEMCELL Technologies
Description: Use sclerostin to alter bone remodeling homeostasis, where it inhibits bone formation in vivo and in vitro, likely through Wnt/β-catenin signaling cascades (Ellies <i>et al.</i>; Lin <i>et al.</i>). Sclerostin is a member of the cerberus/DAN family of glycoproteins whose members share a C-terminal cysteine-knot-like (CTCK) domain. Highly expressed in bone and cartilage, as well as in kidney, and liver tissues (Weivoda <i>et al.</i>), this osteoclast-derived BMP antagonist binds BMP6 and BMP7 with high affinity, and binds BMP2 and BMP4 with a lower affinity (Kusu <i>et al.</i>). Mutations in the SOST gene have been associated with sclerosteosis (Brunkow <i>et al.</i>), van Buchem disease (Staehling-Hampton <i>et al.</i>), and bone dysplasia disorders, characterized by increased bone density. This protein product contains a His-residue tag at the carboxyl end of the polypeptide chain. For consistency and reproducibility across your applications, sclerostin from STEMCELL comes lyophilised with ≥87% purity, and endotoxin levels are verified to be ≤1.0 EU/μg protein.
UOM: 1 * 50 µG

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Product Image-STMC100-1321

Human Recombinant ANGPTL2, His Tag

Catalog Number: (STMC100-1321)
Supplier: STEMCELL Technologies
Description: Use angiopoietin-like protein 2 (ANGPTL2) to regulate tissue remodeling through integrin α5β signaling and activation of p38 mitogen-activated protein kinases (MAPK) (Odagiri <i>et al.</i>; Tabata <i>et al.</i>). Highly expressed in the heart, small intestine, and stomach, ANGPTL2 is a glycosylated secretory protein that contains a coiled domain and a fibrinogen-like domain (Kim <i>et al.</i>). Studies have shown that the coiled-coil domain of ANGPTL2 functions as a growth factor, enhancing the survival of hematopoietic stem cells (HSCs) ex vivo (Broxmeyer <i>et al.</i>). ANGPTL2 is also known to play a role in obesity and metabolic diseases, promoting local inflammation in adipose tissue and systemic insulin resistance in mice models (Tabata <i>et al.</i>). By activating an inflammatory cascade in endothelial cells and increasing macrophage infiltration, ANGPTL2 accelerates vascular inflammation which may lead to endothelial dysfunction and atherosclerosis progression (Horio <i>et al.</i>). This protein product contains a His-residue tag at the amino end of the polypeptide chain. For consistency and reproducibility across your applications, sclerostin from STEMCELL comes lyophilised with ≥92% purity, and endotoxin levels are verified to be ≤1.0 EU/μg protein.
UOM: 1 * 100 µG

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Product Image-STMC100-1325

Human Recombinant Omentin

Catalog Number: (STMC100-1325)
Supplier: STEMCELL Technologies
Description: Use omentin for the maintenance of insulin sensitivity and metabolism, decreasing levels of this adipokine have been associated with obesity, insulin resistance, and diabetes (Tan <i>et al.</i>). Studies have suggested that omentin may have protective effects against atherosclerosis, arterial calcification, and myocardial injury through AMP-activated protein kinase (AMPK) and Akt-dependent mechanisms (Xu <i>et al.</i>, Kataoka <i>et al.</i>). Through regulation of Sirt1-dependent p53 deacetylation, omentin can inhibit proliferation and induce apoptosis in hepatocellular carcinoma cells (Zhang and Zhou). Omentin is mainly produced by visceral adipose tissue, but is also expressed in the small intestine, colon, mesothelial cells, vascular cells, and plasma (Watanabe et al). Protein sequence analysis has shown that omentin comprises 313 amino acids, with a secretory signal sequence and fibrinogen-related domain (Yang <i>et al.</i>). For consistency and reproducibility across your applications, Omentin from STEMCELL comes lyophilised with ≥90% purity, and is verified by LAL analysis to ensure endotoxin levels are ≤5,0 EU/μg protein.
UOM: 1 * 100 µG

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Product Image-STMC100-1333

Human Recombinant Fetuin B, His tag

Catalog Number: (STMC100-1333)
Supplier: STEMCELL Technologies
Description: Fetuin B is thought to have functions in female fertility, metabolism, and liver disease. A protease inhibitor belonging to the fetuin family of proteins, within the cystatin superfamily, fetuin b’s structure includes two cystatin domains (CY1 and CY2) connected by a linker, with a CPDCP-trunk and a C-terminal region (CTR) (Cuppari <i>et al.</i>). This plasma protein originates in the liver (Denecke <i>et al.</i>) and acts to inhibit the activity of ovastacin, a metalloprotease that causes the zona pellucida to harden, leading to female infertility (Karmilin <i>et al.</i>). Fetuin B has also been reported to increase apoptosis, and inhibit migration and invasion of prostate cancer cells, in in vitro and <i>in vivo</i> settings (Zhan <i>et al.</i>). Elevated serum fetuin B has been linked to non-alcoholic fatty liver disease (NAFLD) (Zhu <i>et al.</i>). This protein contains a His-residue tag at the carboxyl end of the polypeptide chain. For consistency and reproducibility across your applications, apolipoprotein H from STEMCELL comes lyophilised with ≥92% purity, and is verified by LAL analysis to ensure endotoxin levels are ≤1,0 EU/μg protein.
UOM: 1 * 100 µG

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Product Image-STMC100-1327

Human Recombinant BTN1A1, His Tag

Catalog Number: (STMC100-1327)
Supplier: STEMCELL Technologies
Description: Butyrophilin 1A1 (BTN1A1) is a glycoprotein belonging to the butyrophilin (BTN) family which collectively modulates immune responses, through excitatory and inhibitory signals targeting immune cells. Butyrophilins are composed of two extracellular immunoglobulin domains and a transmembrane region, with a conserved B30.2 domain (PRYSPRY) that is present in most members (Malinowska <i>et al.</i>). BTN1A1, along with BTN2A2, has been shown to inhibit the proliferation of CD4+ and CD8+ T cells, modify T cell metabolism, and affect the expression of IL-2 and IFN-γ (Smith <i>et al.</i>). Due to these modulatory effects on T cells, BTN1A1 may have a role in inhibiting the development of autoimmune diseases (Stefferl <i>et al.</i>). BTN1A1 is also expressed in mammary glands and is required for the secretion of milk lipids during lactation (Ogg <i>et al.</i>). This protein contains a His-residue tag at the carboxyl end of the polypeptide chain. For consistency and reproducibility across your applications, Serpin A12 from STEMCELL comes lyophilised with ≥92% purity, and is verified by LAL analysis to ensure endotoxin levels are ≤1,0 EU/μg protein.
UOM: 1 * 100 µG

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Product Image-STMC100-1337

Mouse Recombinant IFN beta

Catalog Number: (STMC100-1337)
Supplier: STEMCELL Technologies
Description: A cytokine belonging to the type 1 interferon family, Interferon beta (IFN beta) binds IFN alpha/beta receptors (IFNAR) that activate tyrosine kinases and initiate the interferon-induced Jak-STAT signaling pathway, which modulates many key immune processes (Smieja <i>et al.</i>). In an experimental model involving cardiac fibroblasts isolated from rats, IFN beta was found to induce both pro- and anti-inflammatory cytokines production by activating different STAT proteins (Bolivar <i>et al.</i>). The anti-inflammatory effects of IFN beta have been studied in the context of autoimmune disorders, and there are currently multiple approved IFN beta drugs for treatment of relapsing forms of multiple sclerosis (Filipi and Jack). IFN beta is produced by immune cells, including macrophages, and non-immune cells, such as fibroblasts and epithelial cells (Ivashkiv and Donalin). The crystal structure of IFN beta shares characteristics with other type I interferons. It comprises five alpha-helices with four of them forming a helix bundle, and one long and three shorter loops connecting the helices (Karpusas <i>et al.</i>). For consistency and reproducibility across your applications, interferon alpha 1 from STEMCELL comes lyophilised with ≥87% purity, specific activity EC50 ≤18 pg/mL, and LAL analysis verification ensuring endotoxin levels are ≤1,0 EU/μg protein.
UOM: 1 * 100 µG

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at +43 1 97002 - 0.
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